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    <title>clCreateFromD3D11Texture3DKHR</title>
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    <div class="refentry">
      <a id="id-1"></a>
      <div class="titlepage"></div>
      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="clCreateFromD3D11Texture3DKHR"></a>
        <h1>clCreateFromD3D11Texture3DKHR</h1>
        <p>Creates an OpenCL 3D image object from a subresource of a Direct3D 11 3D texture.</p>
      </div>
      <div class="refsynopsisdiv">
        <h2></h2>
        <div class="funcsynopsis">
          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                <a class="link" href="abstractDataTypes.html" target="pagedisplay">cl_mem</a>
                    <strong class="fsfunc">clCreateFromD3D11Texture3DKHR</strong>(</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="pagedisplay">cl_context</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">context</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_mem_flags" target="pagedisplay">cl_mem_flags</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">flags</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>ID3D11Texture3D <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*resource</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">UINT</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">subresource</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td>
                    <a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="pagedisplay">cl_int</a>
                     <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*errcode_ret</var>
                <code>)</code></td>
            </tr>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="parameters"></a>
        <h2>Parameters</h2>
        <div class="variablelist">
          <dl class="variablelist">
            <dt>
              <span class="term">
                <code class="varname">context</code>
              </span>
            </dt>
            <dd>
              <p>
                    A valid OpenCL context created from a Direct3D 11 device.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">flags</code>
              </span>
            </dt>
            <dd>
              <p>
                    A bit-field that is used to specify usage information.
                    May be <code class="constant">CL_MEM_READ_ONLY</code>, <code class="constant">CL_MEM_WRITE_ONLY</code>,
                    or <code class="constant">CL_MEM_READ_WRITE</code>. (See the table for
                    <a class="citerefentry" href="clCreateBuffer.html"><span class="citerefentry"><span class="refentrytitle">clCreateBuffer</span></span></a>
                    for more information.)
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">resource</code>
              </span>
            </dt>
            <dd>
              <p>
                    A pointer to the Direct3D 11 texture to share.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">subresource</code>
              </span>
            </dt>
            <dd>
              <p>
                    The subresource of <code class="varname">resource</code> to share.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">errcode_ret</code>
              </span>
            </dt>
            <dd>
              <p>
                    An appropriate error code. If <code class="varname">errcode_ret</code> is NULL, 
                    no error code is returned.
                </p>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>
          The width, height and depth of the returned OpenCL 3D image object are determined
          by the width, height and depth of subresource <code class="varname">subresource</code> of
          <code class="varname">resource</code>. The channel type and order of the returned OpenCL 3D
          image object is determined by the format of <code class="varname">resource</code> as shown in
          the table below (Table 9.9.3).
        </p>
        <p>
          This call will increment the internal Direct3D reference count on
          <code class="varname">resource</code>. The internal Direct3D reference count on
          <code class="varname">resource</code> will be decremented when the OpenCL reference count on
          the returned OpenCL memory object drops to zero.
        </p>
        <div class="informaltable">
          <table border="1">
            <colgroup>
              <col align="center" class="col1" />
              <col align="center" class="col2" />
            </colgroup>
            <thead>
              <tr>
                <th align="center">DXGI format</th>
                <th align="center">CL image format (channel order, channel data type)</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32G32B32A32_FLOAT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_FLOAT</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32G32B32A32_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_UNSIGNED_INT32</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32G32B32A32_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_SIGNED_INT32</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16B16A16_FLOAT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_HALF_FLOAT</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16B16A16_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_UNORM_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16B16A16_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_UNSIGNED_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16B16A16_SNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_SNORM_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16B16A16_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_SIGNED_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_B8G8R8A8_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_BGRA, CL_UNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8B8A8_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_UNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8B8A8_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_UNSIGNED_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8B8A8_SNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_SNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8B8A8_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RGBA, CL_SIGNED_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32G32_FLOAT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_FLOAT</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32G32_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_UNSIGNED_INT32</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32G32_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_SIGNED_INT32</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16_FLOAT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_HALF_FLOAT</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_UNORM_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_UNSIGNED_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16_SNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_SNORM_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16G16_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_SIGNED_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_UNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_UNSIGNED_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8_SNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_SNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8G8_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_RG, CL_SIGNED_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32_FLOAT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_FLOAT</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_UNSIGNED_INT32</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R32_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_SIGNED_INT32</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16_FLOAT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_HALF_FLOAT</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_UNORM_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_UNSIGNED_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16_SNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_SNORM_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R16_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_SIGNED_INT16</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8_UNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_UNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8_UINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_UNSIGNED_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8_SNORM</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_SNORM_INT8</code>
                </td>
              </tr>
              <tr>
                <td align="center">
                  <code class="constant">DXGI_FORMAT_R8_SINT</code>
                </td>
                <td align="center">
                  <code class="constant">CL_R, CL_SIGNED_INT8</code>
                </td>
              </tr>
            </tbody>
          </table>
        </div>
        <h4><a id="id-1.6.5"></a>Sharing Memory Objects with Direct3D 11 Resources</h4>
        <p>
      The goal of this extension is to provide interoperability between
      OpenCL and Direct3D 11. This is designed to function analogously
      to the <a class="citerefentry" href="cl_khr_gl_sharing.html"><span class="citerefentry"><span class="refentrytitle">OpenGL
      interoperability</span></span></a> as defined in sections 9.7 and 9.8.
      If this extension is supported by an implementation, the string "cl_khr_d3d11_sharing"
      will be present in the <code class="constant">CL_PLATFORM_EXTENSIONS</code>
      or <code class="constant">CL_DEVICE_EXTENSIONS</code> string described in
      the table of allowed values for <code class="varname">param_name</code> for
      <a class="citerefentry" href="clGetDeviceInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetDeviceInfo</span></span></a> or
      <a class="citerefentry" href="clGetPlatformInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetPlatformInfo</span></span></a>.
    </p>
        <p>
      As currently proposed the interfaces for this extension would be provided in
      <code class="code">cl_d3d11.h</code>.
    </p>
        <p>
      This section discusses OpenCL functions that allow
      applications to use Direct3D 11 resources as OpenCL memory objects. This allows efficient
      sharing of data between OpenCL and Direct3D 11. The OpenCL API may be used to execute
      kernels that read and/or write memory objects that are also Direct3D 11 resources. An
      OpenCL image object may be created from a Direct3D 11 texture resource. An OpenCL buffer
      object may be created from a Direct3D 11 buffer resource. OpenCL memory objects may be
      created from Direct3D 11 objects if and only if the OpenCL context has been created from
      a Direct3D 11 device.
    </p>
        <h4><a id="id-1.6.9"></a>Lifetime of Shared Objects</h4>
        <p>
      An OpenCL memory object created from a
      Direct3D 11 resource remains valid as long as the corresponding Direct3D 11 resource has
      not been deleted. If the Direct3D 11 resource is deleted through the Direct3D 11 API,
      subsequent use of the OpenCL memory object will result in undefined behavior, including
      but not limited to possible OpenCL errors, data corruption, and program termination.
    </p>
        <p>
      The successful creation of a
      cl_context against a Direct3D 11 device specified via the context create parameter
      <code class="constant">CL_CONTEXT_D3D11_DEVICE_KHR</code> will increment the internal Direct3D
      reference count on the specified Direct3D 11 device. The internal Direct3D reference
      count on that Direct3D 11 device will be decremented when the OpenCL reference count on
      the returned OpenCL context drops to zero.
    </p>
        <p>
      The OpenCL context and corresponding command-queues are dependent on the
      existence of the Direct3D 11 device from which the OpenCL context was created. If the
      Direct3D 11 device is deleted through the Direct3D 11 API, subsequent use of the OpenCL
      context will result in undefined behavior, including but not limited to possible OpenCL
      errors, data corruption, and program termination.
    </p>
        <p>
      Properties of Direct3D 11 objects may be queried
      using <a class="citerefentry" href="clGetMemObjectInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetMemObjectInfo</span></span></a>
      and <a class="citerefentry" href="clGetImageInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetImageInfo</span></span></a>
      with <code class="varname">param_name</code> <code class="constant">CL_MEM_D3D11_RESOURCE_KHR</code> and
      <code class="constant">CL_IMAGE_D3D11_SUBRESOURCE_KHR</code>. 
    </p>
      </div>
      <div class="refsect1">
        <a id="errors"></a>
        <h2>Errors</h2>
        <p>
          Returns a valid non-zero OpenCL image object
          and <code class="varname">errcode_ret</code> is set to <span class="errorname">CL_SUCCESS</span> if the
          image object is created successfully. Otherwise, it returns a NULL value with one of
          the following error values returned in <code class="varname">errcode_ret</code>:
        </p>
        <div class="itemizedlist">
          <ul class="itemizedlist" style="list-style-type: disc; ">
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_CONTEXT</span> if <code class="varname">context</code> is not
              a valid context.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if values specified in
              <code class="varname">flags</code> are not valid or if <code class="varname">subresource</code>
              is not a valid subresource index for <code class="varname">resource</code>.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_D3D11_RESOURCE_KHR</span> if
              <code class="varname">resource</code> is not a Direct3D 11 texture resource, if
              <code class="varname">resource</code> was created with the <code class="constant">D3D11_USAGE</code>
              flag <code class="constant">D3D11_USAGE_IMMUTABLE</code>, if a <code class="varname">resource</code>
              is a multisampled texture, if <span class="type">cl_mem</span> from subresource
              <code class="varname">subresource</code> of <code class="varname">resource</code> has already
              been created using <code class="function">clCreateFromD3D11Texture3DKHR</code>, or if
              <code class="varname">context</code> was not created against the same Direct3D 11 device
              from which <code class="varname">resource</code> was created.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_D3D11_RESOURCE_KHR</span> if <code class="varname">resource</code>
              is not a Direct3D 11 texture object.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_IMAGE_FORMAT_DESCRIPTOR</span> if the Direct3D
              11 texture format of <code class="varname">resource</code> is not a value listed
              in the table above of Direct3D 11 and corresponding OpenCL image formats,
              or if the Direct3D 11 texture format of <code class="varname">resource</code> does not map
              to a supported OpenCL image format.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_OUT_OF_HOST_MEMORY</span> if there is a failure to allocate
              resources required by the OpenCL implementation on the host.
            </li>
          </ul>
        </div>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p><img src="pdficon_small1.gif" />
            <a href="https://www.khronos.org/registry/cl/specs/opencl-2.0-extensions.pdf#page=104" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="cl_khr_d3d11_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d11_sharing</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2013 The Khronos Group Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
permit persons to whom the Materials are furnished to do so, subject to
the condition that this copyright notice and permission notice shall be included
in all copies or substantial portions of the Materials.
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